Request Details

Route
/api/v1/users GET
Timestamp
Sep 16, 2026 1:06 PM
Duration
53.06 ms
Status
200
Response Size
15 KB
Error
No

Performance Breakdown

Database
11.6% (1 query)
View Rendering
15.7%
Application Logic
72.6%
Other Operations
0.0%
Total Operations
7
Slowest Operation
53.06 ms

Request Trace

How to read this

Each row is a layer of your stack. Many short Database bars means N+1 queries — fix with includes(). A wide Action bar with little Database time means slow Ruby code. A wide View bar usually means a partial rendered in a loop.

Action
View
Database
Other
Action
View
Database
0.0ms 73.1ms 146.1ms 219.2ms 292.3ms

Operations

How to use this

Sort by Impact to find your biggest wins. Click any row for details and optimisation suggestions. The same SQL appearing multiple times is an N+1 — fix with includes(). A single operation above 50% impact is your highest priority.

Operation Duration Impact Timeline Actions
posts/show 25 ms 47.1%
api/v1/users#index 53 ms 100.0%
api/v1/users#index 53 ms 100.0%
posts/show 21 ms 39.6%
api/v1/users#index 53 ms 100.0%
api/v1/users#index 53 ms 100.0%
SELECT users.*, posts.*, comments.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, AVG(posts.view_count) as avg_views, MAX(comments.created_at) as latest_comment FROM users LEFT JOIN posts ON users.id = posts.use... 34 ms 64.1%